888a6f5f38ab1003c1b3b477a5eb080a1699477fcd96b6eae89d1aafbcf6ca79

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 23:53

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General

Target

888a6f5f38ab1003c1b3b477a5eb080a1699477fcd96b6eae89d1aafbcf6ca79.dll
Size

76KB
MD5

e53bdd8984dcf3027b1d2012629747c0
SHA1

bd0da8288fab700350e35a309086c179d11dd853
SHA256

888a6f5f38ab1003c1b3b477a5eb080a1699477fcd96b6eae89d1aafbcf6ca79
SHA512

12da69b605ec519c0b3a77042b2835ffa211002264d023a82f5f1773148ce6f60bbbbaf48f490463a943d20f434025664ff5fc1fab7907dbef6958a3f44aa34a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKUDkNx3yy:c8y93KQjy7G55riF1cMo03Ry

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3916-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3916-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4920	3916	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 3916	3512	rundll32.exe	83
PID 3512 wrote to memory of 3916	3512	rundll32.exe	83
PID 3512 wrote to memory of 3916	3512	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\888a6f5f38ab1003c1b3b477a5eb080a1699477fcd96b6eae89d1aafbcf6ca79.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\888a6f5f38ab1003c1b3b477a5eb080a1699477fcd96b6eae89d1aafbcf6ca79.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 712
    3⤵
    - Program crash
    PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3916 -ip 3916
1⤵
PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3916-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3916-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download